7
July 14, 20052005 SHINE WorkshopKeauhou, Hawaii, USA
Finite-Time Shock Acceleration
lProbability approach (like Bell 1978, Drury 1983)
lAcceleration rate, r  = 1/Δt     Escape rate, e
l    Time at present (age of shock), t
l
l    Simulation parameters:
lλ = λ0 (P/ MV)α so vary λ0 and α (shorter λ0 is equivalent to longer time duration)
lTime  t  fixed by observations, v0 = 200 km/s in wind frame, shock angles & speeds as observed.